Discovery Bay Marine Laboratory, Discovery Bay, JamaicaCollection date: Jan 1997Comments: 'erosional pools formed on the coastal rocks of the Jamaican north shore..', with a varieity of salinities, ranging from freshwater to 80 ppt.

Henriksberg, on the Hanko (Hangö, Hango, Hangonkyla, Khanko) Penninsula, Finnish Bay, FinlandCollection date: prior to 1960Depth: 0.5-3.0 mSubstrate: sandComments: All specimens found between June and August.

Vikarskär (Vikarskar, Vikarskären, Storlandet), FinlandCollection date: prior to 1960Depth: 2.5-3.0 mSubstrate: sand, gyttjaComments: between Vikarskär and Långholmen. All specimens found between June and August.

Langholmen (Långholmen, Langholm, Långholm), FinlandCollection date: prior to 1960Depth: 2.5-3.0 mSubstrate: sand, gyttjaComments: between Vikarskär and Långholmen. All specimens found between June and August.

Vikarskär (Vikarskar, Vikarskären, Storlandet), FinlandCollection date: prior to 1960Depth: 0.5 mSubstrate: sand, gyttjaComments: between Vikarskär and Jovskär. All specimens found between June and August.